/Engine/Source/Runtime/UMG/Public/Slate/SObjectTableRow.h
Intentionally being a bit nontraditional here - we track associations between UserWidget rows and their underlyingIObjectTableRow. This allows us to mirror theITableRowAPI very easily onIUserListEntrywithout requiring rote setting/getting of row states on every UMG subclass.
static [TMap](API\Runtime\Core\Containers\TMap)< [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< const [UUserWidget](API\Runtime\UMG\Blueprint\UUserWidget) >, [TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< const [IObjectTableRow](API\Runtime\UMG\Slate\IObjectTableRow) > > ObjectRowsByUserWidget;